2102100210103 has 2 divisors, whose sum is σ = 2102100210104. Its totient is φ = 2102100210102.

The previous prime is 2102100210073. The next prime is 2102100210127. The reversal of 2102100210103 is 3010120012012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102100210103 - 2¹⁷ = 2102100079031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102100210143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051050105051 + 1051050105052.

It is an arithmetic number, because the mean of its divisors is an integer number (1051050105052).

Almost surely, 2^{2102100210103} is an apocalyptic number.

2102100210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102100210103 is an equidigital number, since it uses as much as digits as its factorization.

2102100210103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2102100210103 its reverse (3010120012012), we get a palindrome (5112220222115).

The spelling of 2102100210103 in words is "two trillion, one hundred two billion, one hundred million, two hundred ten thousand, one hundred three".